I think one way to solve this issue is adding an extra mount option,
e.g. compress_mempool, once user specify this option, we can allocate
and reserve memory for one single workspace of compression algorithm,
during compress/decompress, once we can not grab any more memory from
system, we can let
From: Daeho Jeong
Currently we support fiemap command using fibmap. It's simple and
easy to use, but we cannot use this for compressed file. To support
more different types of files, we need to change this to use fiemap.
Signed-off-by: Daeho Jeong
---
tools/f2fs_io/f2fs_io.c | 56 +
Thanks for the patch - I applied it against 5.9-rc2, and it seems to help...:
The test I am using for this is to copy the entire rootfs tree to a
zstd-compressed f2fs partition. Previously, even a vm.min_free_kbytes of 32768
wasn't enough to avoid the allocation traps for the copy; with this p
Jaegeuk, I missed one ')' in this diff, thanks for fixing in upstream.
Thanks,
On 2020/9/1 2:01, Jaegeuk Kim wrote:
Hi Chao,
Applied. Thanks.
On 08/31, Chao Yu wrote:
Hi Jaegeuk,
I've changed code a bit to fix some bugs, including:
- gc_idle = 3 (GC_IDLE_AT) description
- disallow set gc_i
Hi,
We should align max compress window size of zstd to cluster size of current
inode,
by default, cluster size is 16KB (log size is 2), so it can reduce size of
allocated
memory significantly.
So, could you please try below patch first?
From c4bf178e5133525027d817a2ac542db6f5621c4f Mon Sep 1
Sounds good :-) Perhaps it's simply that zstd needs a lot of memory to
operate, however it's unfortunate that it doesn't work on smaller platforms
"out of the box" like lz4 does. Should there a be note or guidance of some
sort regarding this for smaller embedded platforms?
On Mon, Aug 31, 202
Let me add more f2fs folks. :)
On 08/27, 5kft wrote:
> (Note that for testing this I backported f2fs from 5.9-rc2 into 5.8.5, as I
> don't have 5.9 working on these boards yet.)
>
> On Thu, Aug 27, 2020, at 7:39 AM, 5kft wrote:
> > Quick update - I encounter the problem with f2fs zstd compressio
Hi Chao,
Applied. Thanks.
On 08/31, Chao Yu wrote:
> Hi Jaegeuk,
>
> I've changed code a bit to fix some bugs, including:
> - gc_idle = 3 (GC_IDLE_AT) description
> - disallow set gc_idle to 3 if atgc is off
> - keep compatibility with checkpoint disabling
>
> Could you please check and merge b
Hi,
On 08/23, Didier Spaier wrote:
> Hi,
>
> thanks for your answer, which leads to more questions and a request.
>
> I will quote only the relevant parts of this answer below.
>
> Le 25/06/2020 à 02:35, Jaegeuk Kim a écrit :
> > On 06/25, Didier Spaier wrote:
>
> >> this email is a follow-up
Hi Jaegeuk,
I've changed code a bit to fix some bugs, including:
- gc_idle = 3 (GC_IDLE_AT) description
- disallow set gc_idle to 3 if atgc is off
- keep compatibility with checkpoint disabling
Could you please check and merge below diff?
From: Chao Yu
Signed-off-by: Chao Yu
---
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